The 3mm tropical dive boot by O'Neill is a great little boot for lightweight reef protection. Features 100% stretch neoprene, durable flatlock seams, flex traction sole, and a fin tab on the heel for stability. Slip-on design.

Thickness Chart:*Water temperatures are only guidelines. Many variables such as water temperature, depth, duration, and personal water temperature tolerance will impact your comfort level. It never hurts to order a thicker boot.